Polymer Reptation in Disordered Media

Details Polymer Reptation in Disordered Media Polymer Reptation in Disordered Media

1997-06-25

arxiv.org/abs/cond-mat/9706262v2

Physics

Condensed Matter

Soft Condensed Matter

4 pages, to appear in PRL; text, figures and related (p)reprints also available at http://matisse.ucsd.edu/~hwa/pub.html

Scientific paper

10.1103/PhysRevLett.80.3145

The effect of ambient disorders and sequence heterogeneities on the reptation
of a long polymer is studied with the aid of a disordered tube model. The
dynamics of a random heteropolymer is found to be much slower than that of a
homopolymer due to collective pinning effects. The asymptotic properties belong
to the universality class of a directed path in (1+1)-dimensional random media.

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